693 Answered Questions for the topic Quadratic Equations

Quadratic Equations Factoring Quadratics

10/05/17

solve the following quadratic equation by factoring

x²−14x+49=0  
Quadratic Equations Word Problem Area Width

10/04/17

solving a word problem using a quadratic equation with rational roots

The area of a rectangle is 54 ft^2, and the length of the rectangle is 3 ft more than twice the width. Find the dimensions of the rectangle.  Answer- Length: ____ ft Width: ___ ft Thanks in... more
Quadratic Equations Area Of Rectangle Width Length

10/03/17

Solving a word problem using a quadratic equation with rational roots

The area of a rectangle is 54ft^2, and the length of the rectangle is 3ft more than twice the width. Find the dimensions of the rectangle. Length: ____ ftWidth: ____ ft
Quadratic Equations Geometry Area Of Rectangle

10/03/17

Solving a word problem using a quadratic equation with rational roots

The area of a rectangle is 54ft^2, and the length of the rectangle is 3ft more than twice the width. Find the dimensions of the rectangle.    Length: ____ ft Width: ____ ft 
Quadratic Equations Coefficients Roots

10/03/17

writing a quadratic equation given the roots and the leading coefficient

Write the quadratic equation whose roots are 3 and -5, and whose leading coefficient is 3.  (use the letter x to represent the variable)   Answer= _____   =0 I do know how to do the first half... more
Quadratic Equations Width Length Rational Roots

10/03/17

Solving a word problem using a quadratic equation with rational roots

The length of a rectangle is 4 ftless than three times the width, and the area of the rectangle is 55 ft^2Find the dimensions of the rectangle. Answer=Length: ___ ftWidth: ____ f
Quadratic Equations Word Problem Area Of Rectangle Width

10/02/17

Solving a word problem using a quadratic equation with rational roots

The length of a rectangle is 4 ft less than three times the width, and the area of the rectangle is 55 ft^2Find the dimensions of the rectangle.   Answer= Length: ___ ft Width:  ____ ft 
Quadratic Equations Word Problem Area Of Rectangle Area

10/02/17

solving a word problem using a quadratic equation with rational roots

The length of a rectangle is 3 ft less than double the width, and the area of the rectangle is 27 ft^2Find the dimensions of the rectangle.     Answer= Length: ___ ft Width: ____ ft 

10/01/17

Let f(x)=-1/2x^2-3x+5/2

Find: 1. The y intercept 2. The x intercept 3. Axis on symmetry 4. Vertex
Quadratic Equations

09/27/17

Make up quadratic equations that have the following number of real solutions using the variable x.

Two solutions: One solution: No solution:
Quadratic Equations

09/24/17

The area of a rectangular wall of a barn is 20 square feet. Its length is 8 feet longer than the width. Find the length and width of the wall of the barn.

I am not able to solve this. I have tried 4 times now.
Quadratic Equations

09/21/17

How Long will it take for the smaller pipe to fill the tank ?

 two pipes can fill you think and 36 minutes if both are turned on. If only one is used, it would take 57 minutes longer for the smaller pipe to fill the tank up in the larger pipe. How long will... more
Quadratic Equations

09/19/17

y=x^2-6 write this in y=a(x-h)^2 +k

i need to please see all the steps but im guessing the qudratic equation only has an A,B, and i guess C is 0? i really dont know please help!
Quadratic Equations

09/13/17

quadratic equation

Write the quadratic equation whose roots are 2 and −3, and whose leading coefficient is 5.(Use the letter x to represent the variable.)
Quadratic Equations

08/28/17

see question below

The difference,d, in median earnings, in $1000s, between high school graduates and college graduates can be approximated by d= -0.002 x2 + .319x + 7.512, where x is the number of years after 1965.... more
Quadratic Equations

08/16/17

Which of the following quadratic equations has only one root?

4x2-12x+9=0 x2-3x+3=02x2-x-3=0 2x2-5x+3=0x2-12x+9=0  
Quadratic Equations

08/09/17

Can you help me solve this question

Find all the solutions of the equation by the method of your choice. Write any rational numbers as simplified fractions.       49 + 4(3x + 2)2 = 0
Quadratic Equations

08/09/17

What method would I use to solve this eqution?

 Find all the solutions of the equation by the method of your choice. Write any rational numbers as simplified fractions.    49 + 4(3x + 2)2 = 0  
Quadratic Equations

08/08/17

ABC is a right angled triangle,with BC =x cm,AB =(x+14) cm and AC = 26 cm

Using pythagoras theorem,form an equation in terms of x
Quadratic Equations

07/25/17

I need to solve this in the quadratic formula I just can't solve it

500=2.2v+v2/20

07/18/17

NEED HELP WITH SIMPLE ALGEBRA 1 PROBLEM!

The square of a number (x^2), decreased by 6, is equal to 18 decreased by 5 times the number.   The numbers are _______ and _________.
Quadratic Equations Exponents Quadratic Formula

07/17/17

How to solve this quadratic equation with the quadratic formula? Help?

Could someone help me with this question step-by-step using the quadratic formula? 3x² + 24x – 144
Quadratic Equations Exponents Quadratic Formula

07/17/17

Need help with a question using the quadratic formula

Could someone help me with this question step-by-step using the quadratic formula?   3x²-17x+10
Quadratic Equations

07/14/17

if a/2 and b/2 are the roots of the equation kx(x-1)=5m-x. If a+b=8 and ab=4, find the values of k and m

I tried and I got the answer k=1/3 and m = -1/15, but the answer for my k is wrong according to my book which is k=-1/3 instead. Please help me
Quadratic Equations Division Square Root Quadratic Formula

07/13/17

How to solve this quadratic equation with the quadratic formula?

I've been having trouble with this problem: x2 + 2x = 8 So far this is what I got: -2±√-28-----------     2  However I'm not too sure what to do next, help?

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